Table 1.
Patient-reported outcome measures selected as potential core outcome measurement instruments to measure physical functioning, pain intensity and health-related quality of life in clinical trials in non-specific low back pain.
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.